/Engine/Plugins/Enterprise/DatasmithImporter/Source/ExternalSource/Public/ExternalSource.h
Class allowing to load aIDatasmithScenefrom a source URI.
class FExternalSource : public [TSharedFromThis< FExternalSource >](API\Runtime\Core\Templates\TSharedFromThis)
OnExternalSourc...
OnExternalSourceChanged
Delegate called on main thread every time the loaded data is updated.